hyalotype

English

Etymology

From hyalo- +‎ -type.

Noun

hyalotype (plural hyalotypes)

1. A photographic picture copied from the negative on glass.
   • 1853, Robert Hunt, A Manual of Photography:

     […] Hyalotypes. These are positive pictures , copied on glass from negatives, obtained upon the same material

Part or all of this entry has been imported from the 1913 edition of Webster’s Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.
(See the entry for “hyalotype”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.)